May in Tokko is the rainiest and the windiest month of the year. In May, the weather in Tokko is typically warm. Average daily high temperature in May is about 10 degrees above zero. On average, Tokko has 16 rainy, 6 cloudy, 5 partly cloudy, and 4 sunny days in May. The rains are usually light. May as well as January, February, March, and September is considered the most uncomfortable time to visit Tokko.